Parts-HQ is a market leading supplier of replacement parts for a diverse range of products – from consumer electronics and appliances. Through distribution facilities strategically located throughout the world, Parts-HQ supplies new, refurbished exact and compatible alternative parts for nearly 200 top manufacturer brands. With the largest multi-vendor parts inventory in the industry, we provide access to 8+ million parts in our database, helping to ensure you get the parts you need, when you need them.

Filters

Clear All
Price
to

Less than $25

$25-49.99

$50-74.99

$75-99.99

Over $100

Hewlett-Packard (HP) DeskJet 840 Printer Parts

Model Number Finder

Shop for Your Specific model to find parts that fit
  • Showing 237 Product(s)
C6409-80030 - Left Carriage Retainer
$ 5.74 22252 Protects the carriage assembly from damage during shipment Hewlett-packard (HP) On Sale

Protects the carriage assembly from damage during shipment

Save $ 1.81
Was 7.55
C4557-60020 - Left Side Case
$ 6.61 21622 Hewlett-packard (HP) On Sale
Save $ 2.09
Was 8.70
C4557-40130 - Left Wall Brace
$ 48.67 180593 Provides support for left wall Hewlett-packard (HP) On Sale

Provides support for left wall

Save $ 15.37
Was 64.04
C6409-40034 - Left Wall Pusher
$ 49.34 22243 Pushes against left side of media to maintain correct edge alignment Hewlett-packard (HP) On Sale

Pushes against left side of media to maintain correct edge alignment

Save $ 15.58
Was 64.92
C4557-00029 - Left Wall Spring (Front)
$ 12.59 180572 Holds left wall assembly in position Hewlett-packard (HP) On Sale

Holds left wall assembly in position

Save $ 3.98
Was 16.57
C4557-00030 - Left Wall Spring (Rear)
$ 34.19 48366 Provides pressure against media. Attached near the rear of the width adjust Hewlett-packard (HP) On Sale

Provides pressure against media. Attached near the rear of the width adjust

Save $ 10.80
Was 44.99
C4557-40024 - Left Wing
$ 5.74 21609 Holds printed paper after being ejected Hewlett-packard (HP) On Sale

Holds printed paper after being ejected

Save $ 1.81
Was 7.55
C4557-80027 - Length Adjust PAD (Poron)
$ 5.74 21629 Mounted under the fine length adjuster Hewlett-packard (HP) On Sale

Mounted under the fine length adjuster

Save $ 1.81
Was 7.55
C5870-40037 - Length Adjuster
$ 29.38 22128 Media input length adjuster Hewlett-packard (HP) On Sale

Media input length adjuster

Save $ 9.28
Was 38.66
C4557-00033 - Link Spring
$ 12.59 180573 Provides tension to shaft of pick cam gear Hewlett-packard (HP) On Sale

Provides tension to shaft of pick cam gear

Save $ 3.98
Was 16.57
C4557-40020 - Lower Guide
$ 40.51 21608 Platform for seperator peg, spring and pad Hewlett-packard (HP) On Sale

Platform for seperator peg spring and pad

Save $ 12.79
Was 53.30
C6419-69121 - Main Logic Board (PCA)
$ 44.62 22290 Can be configured for Arabic, Cyrillic, Greek, Hebrew, Lithuanian, Latvian, or Thai fonts Main Logic Board (PCA Can be Configured for Arabic, Cyrillic, Greek, Hebrew, Lithuanian, Latvian, or Thai Font) Hewlett-packard (HP) On Sale

Can be configured for Arabic Cyrillic Greek Hebrew Lithuanian Latvian or Thai fonts Main Logic Board (PCA Can be Configured for Arabic Cyrillic Greek Hebrew Lithuanian Latvian or Thai Font)

Save $ 14.09
Was 58.71
C6409-00007 - Main Logic Board (PCA) EMI Shield
$ 30.31 22233 Main Logic Board (PCA) EMI shield Installed between Main Logic Board (PCA) and Main Logic Board (PCA) Cover Hewlett-packard (HP) On Sale

Main Logic Board (PCA) EMI shield Installed between Main Logic Board (PCA) and Main Logic Board (PCA) Cover

Save $ 9.57
Was 39.88
C6419-60040 - Main Logic PCA
$ 68.03 217348 Configured for English font See C6419-69120 Hewlett-packard (HP) On Sale

Configured for English font See C6419-69120

Save $ 21.48
Was 89.51
C6419-69120 - Main Logic PCA
$ 32.17 182954 Configured for English font Hewlett-packard (HP) On Sale

Configured for English font

Save $ 10.16
Was 42.33
C6419-60121 - Main Logic PCA
$ 68.03 217350 Can be configured for Arabic, Cyrillic, Greek, Hebrew, Lithuanian, Latvian, or Thai fonts See C6419-69121 Hewlett-packard (HP) On Sale

Can be configured for Arabic Cyrillic Greek Hebrew Lithuanian Latvian or Thai fonts See C6419-69121

Save $ 21.48
Was 89.51
C6411-40008 - Main Logic PCA Cover
$ 34.19 48368 Has cut outs for the USB interface socket, parallel interface socket, and power module socket Hewlett-packard (HP) On Sale

Has cut outs for the USB interface socket parallel interface socket and power module socket

Save $ 10.80
Was 44.99
C5870-40024 - Oops Flag
$ 5.74 22126 Media sensor. Mounts on the top right edge of the upper paper guide Hewlett-packard (HP) On Sale

Media sensor. Mounts on the top right edge of the upper paper guide

Save $ 1.81
Was 7.55
C4557-40026 - Output Door
$ 5.74 21611 Separates output media from input media Hewlett-packard (HP) On Sale

Separates output media from input media

Save $ 1.81
Was 7.55
C6426-60054 - Pallet/ Link Assembly
$ 10.77 145222 Installed between spittoon and sled cap assembly - Mounting platform for the wiper and capping systems parts Hewlett-packard (HP) On Sale

Installed between spittoon and sled cap assembly - Mounting platform for the wiper and capping systems parts

Save $ 3.40
Was 14.17